Package org.drools.compiler.compiler

Examples of org.drools.compiler.compiler.DrlParser

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        l.add( add1 );
        l.add( add2 );

        p.setAddresses( l );

        DrlParser parser = new DrlParser( LanguageLevelOption.DRL5 );
        PackageDescr desc = parser.parse( new InputStreamReader( getClass().getResourceAsStream( "nested_fields.drl" ) ) );
        List packageAttrs = desc.getAttributes();
        assertEquals( 1,
                      desc.getRules().size() );
        assertEquals( 1,
                      packageAttrs.size() );
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                      ((List) ksession.getGlobal( "list" )).get( 5 ) );
    }

    @Test
    public void testFromWithNewConstructor() throws Exception {
        DrlParser parser = new DrlParser( LanguageLevelOption.DRL5 );
        PackageDescr descr = parser.parse( new InputStreamReader( getClass().getResourceAsStream( "test_FromWithNewConstructor.drl" ) ) );

        Collection<KnowledgePackage> pkgs = loadKnowledgePackages( descr );
        pkgs = SerializationHelper.serializeObject( pkgs );
    }
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        assertTrue( rhsError.getLine() >= 8 && rhsError.getLine() <= 17 ); // TODO this should be 16
    }

    @Test
    public void testErrorsParser() throws Exception {
        final DrlParser parser = new DrlParser( LanguageLevelOption.DRL5 );
        assertEquals( 0,
                      parser.getErrors().size() );
        parser.parse( new InputStreamReader( getClass().getResourceAsStream( "errors_parser_multiple.drl" ) ) );
        assertTrue( parser.hasErrors() );
        assertTrue( parser.getErrors().size() > 0 );
        assertTrue( parser.getErrors().get( 0 ) instanceof ParserError);
        final ParserError first = ((ParserError) parser.getErrors().get( 0 ));
        assertTrue( first.getMessage() != null );
        assertFalse( first.getMessage().equals( "" ) );
    }
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        assertTrue( list4.contains( chili1 ) );
    }

    @Test
    public void testDumpers() throws Exception {
        final DrlParser parser = new DrlParser( LanguageLevelOption.DRL5 );
        final PackageDescr pkg = parser.parse( new InputStreamReader( getClass().getResourceAsStream( "test_Dumpers.drl" ) ) );

        if ( parser.hasErrors() ) {
            for ( DroolsError error : parser.getErrors() ) {
                logger.warn( error.toString() );
            }
            fail( parser.getErrors().toString() );
        }

        KnowledgeBase kbase = SerializationHelper.serializeObject( loadKnowledgeBase( pkg ) );
        StatefulKnowledgeSession ksession = kbase.newStatefulKnowledgeSession();
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        assertNotNull( result );
    }

    public static void DrlFile(String filename) throws Exception {

        DrlParser parser = new DrlParser(LanguageLevelOption.DRL5);
        final PackageDescr pkgOriginal = parser.parse( new InputStreamReader( DumperTestHelper.class.getResourceAsStream( filename ) ) );
        final DrlDumper dumper = new DrlDumper();
        String result1 = dumper.dump( pkgOriginal );
        final PackageDescr pkgDerivated = parser.parse( new StringReader( result1 ) );
        String result2 = dumper.dump( pkgDerivated );
        System.out.println( result1 );

        assertEqualsIgnoreWhitespace( result1,
                                      result2 );
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            return this;
        }
    }

    private RuleDescr parseDrl( ExpandedDRLInfo expandedDRLInfo ) {
        DrlParser drlParser = new DrlParser();
        PackageDescr packageDescr;
        try {
            packageDescr = drlParser.parse( true, expandedDRLInfo.plainDrl );
        } catch ( DroolsParserException e ) {
            throw new RuntimeException( e );
        }
        expandedDRLInfo.registerGlobalDescrs( packageDescr.getGlobals() );
        return packageDescr.getRules().get( 0 );
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            return this;
        }
    }

    private RuleDescr parseDrl( ExpandedDRLInfo expandedDRLInfo ) {
        DrlParser drlParser = new DrlParser();
        PackageDescr packageDescr;
        try {
            packageDescr = drlParser.parse( true, expandedDRLInfo.plainDrl );
        } catch ( DroolsParserException e ) {
            throw new RuntimeException( e );
        }
        expandedDRLInfo.registerGlobalDescrs( packageDescr.getGlobals() );
        return packageDescr.getRules().get( 0 );
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                                                PackageIntegrationException,
                                                DroolsParserException {
        final InputStream is = getClass().getClassLoader().getResourceAsStream( "simplerule.drl" );
        String drl = streamToString( is );

        DrlParser parser = new DrlParser();
        PackageDescr packageDescr = parser.parse(null, drl);
        PackageBuilder builder = new PackageBuilder();
        builder.addPackage(packageDescr);
        Package pkg = builder.getPackage();
        ReteooRuleBase ruleBase = (ReteooRuleBase) RuleBaseFactory.newRuleBase(RuleBase.RETEOO);
        ruleBase.addPackage(pkg);
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        KObject index = null;
        try {
            final String dslr = ioService.readAllString( path );
            final Expander expander = getDSLExpander( path );
            final String drl = expander.expand( dslr );
            final DrlParser drlParser = new DrlParser();
            final PackageDescr packageDescr = drlParser.parse( true,
                                                               drl );
            if ( packageDescr == null ) {
                logger.error( "Unable to parse DRL for '" + path.toUri().toString() + "'." );
                return index;
            }
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    public KObject toKObject( final Path path ) {
        KObject index = null;

        try {
            final String drl = ioService.readAllString( path );
            final DrlParser drlParser = new DrlParser();
            final PackageDescr packageDescr = drlParser.parse( true,
                                                               drl );
            if ( packageDescr == null ) {
                logger.error( "Unable to parse DRL for '" + path.toUri().toString() + "'." );
                return index;
            }
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Related Classes of org.drools.compiler.compiler.DrlParser

  • org.drools.compiler.builder.impl.KnowledgeBuilderImpl
  • org.drools.compiler.CommonTestMethodBase
  • org.drools.compiler.compiler.xml.rules.DumperTestHelper
  • org.drools.compiler.integrationtests.ConsequenceOffsetTest
  • org.drools.compiler.integrationtests.LargeRuleBase
  • org.drools.compiler.integrationtests.LargeRuleBaseSerializationTest
  • org.drools.compiler.integrationtests.Misc2Test
  • org.drools.compiler.integrationtests.MiscTest
  • org.drools.compiler.integrationtests.waltz.Waltz
  • org.drools.compiler.kie.util.ChangeSetBuilder
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